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Note 4 - Intangible Assets - Changes in Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Balance, finite lived |  | $ 101,753 |  |  |  |
Balance, indefinite lived |  | 1,365,138 |  |  |  |
Balance, total |  | 1,466,891 |  | $ 1,466,670 |  | $ 842,946
Additions, total |  |  |  |  |  | 637,850
Amortization, finite lived |  | (19,331) |  | (28,351) |  | (14,126)
Purchase price adjustments, total |  |  |  | 37,000 |  |
Other, total |  | (2,687) | [1] | (8,428) | [2] |
Impairments, total |  | (62,700) |  | 0 |  | 0
Balance, finite lived |  | 82,422 |  | 101,753 |  |
Balance, indefinite lived |  | 1,299,751 |  | 1,365,138 |  |
Balance, total |  | 1,382,173 |  | 1,466,891 |  | 1,466,670
Trademarks [Member] |  |  |  |  |  |
Balance, indefinite lived |  | 202,387 |  | 203,087 |  | 147,587
Additions, indefinite lived |  |  |  |  |  | 55,500
Purchase price adjustments, indefinite lived |  |  |  | (700) |  |
Other, finite lived | [1] | (2,687) |  |  |  |
Impairments, indefinite lived |  | (20,500) |  |  |  |
Balance, indefinite lived |  | 179,200 |  | 202,387 |  | 203,087
Gaming License Right [Member] |  |  |  |  |  |
Balance, indefinite lived |  | 1,162,751 |  | 1,127,751 |  | 659,401
Additions, indefinite lived |  |  |  |  |  | 468,350
Purchase price adjustments, indefinite lived |  |  |  | 35,000 |  |
Other, finite lived | [1] | 0 |  |  |  |
Impairments, indefinite lived |  | (42,200) |  |  |  |
Balance, indefinite lived |  | 1,120,551 |  | 1,162,751 |  | 1,127,751
Customer Relationships [Member] |  |  |  |  |  |
Balance, finite lived |  | 28,502 |  | 50,287 |  | 5,930
Additions, finite lived |  |  |  |  |  | 56,000
Amortization, finite lived |  | (15,464) |  | (24,485) |  | (11,643)
Purchase price adjustments, finite lived |  |  |  | 2,700 |  |
Other, finite lived |  | 0 | [1] | 0 | [2] |
Impairments, finite lived |  | 0 |  |  |  |
Balance, finite lived |  | 13,038 |  | 28,502 |  | 50,287
Host Relationships [Member] |  |  |  |  |  |
Balance, finite lived |  | 51,878 |  | 55,744 |  | 0
Additions, finite lived |  |  |  |  |  | 58,000
Amortization, finite lived |  | (3,867) |  | (3,866) |  | (2,256)
Purchase price adjustments, finite lived |  |  |  | 0 |  |
Other, finite lived |  | 0 | [1] | 0 | [2] |
Impairments, finite lived |  | 0 |  |  |  |
Balance, finite lived |  | 48,011 |  | 51,878 |  | 55,744
Favorable Lease Rates [Member] |  |  |  |  |  |
Balance, finite lived |  | 0 |  | 8,428 |  | 8,655
Additions, finite lived |  |  |  |  |  | 0
Amortization, finite lived |  | 0 |  | 0 |  | (227)
Purchase price adjustments, finite lived |  |  |  | 0 |  |
Other, finite lived |  | 0 | [1] | (8,428) | [2] |
Impairments, finite lived |  | 0 |  |  |  |
Balance, finite lived |  | 0 |  | 0 |  | 8,428
Development Agreements [Member] |  |  |  |  |  |
Balance, finite lived |  | 21,373 |  | 21,373 |  | 21,373
Additions, finite lived |  |  |  |  |  | 0
Amortization, finite lived |  | 0 |  | 0 |  | 0
Purchase price adjustments, finite lived |  |  |  | 0 |  |
Other, finite lived |  | 0 | [1] | 0 | [2] |
Impairments, finite lived |  | 0 |  |  |  |
Balance, finite lived |  | $ 21,373 |  | $ 21,373 |  | $ 21,373
[1] | A domain rights asset was written off in second quarter 2020.
[2] | The remaining balance of the favorable lease rates intangible asset was reclassified and added to the operating lease right-of-use asset upon the adoption of the Lease Standard effective January 1, 2019.

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